Can some help me with this

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.

Reduction is a reaction which results in a in electrons and a in positive charge of the atom or ion 1) a- loss 1) b- gain 2) a-increase 2) b-decrease